Will Verduzco · Aug 13, 2013 at 10:30 pm

Reduce Overdraw in Your App to Increase UI Performance

It’s no secret that many mobile devices, especially older ones, often struggle with GPU-intensive drawing tasks. This generally manifests itself in choppy UI performance. And if you’re an app developer, this results in a kludgy application that your users will find burdensome to use.

We all know that excessive overdraw is bad. But how do we go about limiting it? Using Android’s built-in developer options, you can easily visualize the amount of overdraw in any hardware accelerated view. XDA Forum Member alobo has created a mini-guide that shows you where to locate the requisite options and how interpret the results, ranging from blue (1x overdraw) to red (4x overdraw). He also gives a few pointers on how to limit overdraw in your own apps, as well as pointing to an excellent guide by Romain Guy on the matter.

If you’re looking to optimize drawing operations in your next app, all you have to do is head over to the tutorial thread and get started. Your app’s users will appreciate the snappier UI performance.


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Will Verduzco

willverduzco is an editor on XDA-Developers, the largest community for Android users. Will Verduzco is the Portal Administrator for the XDA-Developers Portal. He has been addicted to mobile technology since the HTC Wizard. But starting with the Nexus One, his gadget love affair shifted to Google's little green robot. He is also a Johns Hopkins University graduate in neuroscience and is now currently studying to become a physician. View willverduzco's posts and articles here.
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